Some Types of SAW Filters Effective for TTE Suppression
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概要
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It was shown from calculations for SAW filters with complex transducer configurations that some types of three-transducer configuration have advantageous properties for suppression of the TTE (triple transit echo), when compared with conventional three-transducer configurations. The conditions effective for suppression of the TTE were obtained for each type by numerical calculation. It was found that the conditions obtained for the non-apodized inclined and tapered three-transducer configurations are applicable to the apodized one. To confirm the calculation, three types of SAW filters were fabricated using piezoelectric ceramics. The results showed good TTE suppression as predicted by the calculations.
- 社団法人応用物理学会の論文
- 1979-08-05
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